What does it take to get a water heater air-conditioner and heater mini-split?
...air-conditioner with a mini-split ductless system in our boiler heated house. Can we combine our efforts? I think you may be referring to this article here perhaps about the Edelweiss House where we used an air source heat pump as well as an air to water heat pump water heater?
Increased efficiency with an air source h...